*{
    padding: 0;
    margin: 0;
    list-style: none;
}
li{
    font-size: 0;
}
.warp{
    width: 300px;
    height: 500px;
    border: 1px black solid;
    box-sizing: content-box;
    margin: 50px auto;
    position: relative;
    overflow: hidden;
}
.warp>.go{
    width: 100%;
    height: 40px;
    text-align: center;
    margin-top: 5px;
    color: aqua;
    font-size: 30px;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 99;
}
.warp>.main{
    width: 100%;
    height: 100%;
    box-sizing: content-box;
    position: absolute;
    left: 0;
    top: 0;
}
.icsh{
    width: 100%;
    height: 100px;
    box-sizing: content-box;
    border-bottom:1px solid black;
    display: flex;
}
.icsh>li{
    flex: 1;
    border-right:1px solid black ;
}

.black{
    background-color: black;
}